Ring, Wearing4320-01-346-4170

NSN 4320-01-346-4170 · NIIN 013464170 · Part number 8T5668

Caterpillar Inc Div Caterpillar Defense · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 11083

Government record, cited

NSN 4320-01-346-4170 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-346-4170. Manufacturer of record part number: 8T5668.

Also searched as 4320-01-346-4170 · 4320013464170 · NIIN 013464170 · 01-346-4170 · FSC 4320 Power and Hand Pumps · CAGE 11083 · 8T5668 · 8T-5668

Nearby stock numbers ← 4320-01-346-4169 Ring, Wearing · 4320-01-346-4314 Piston and Shoe →

Features

Ring,wearing — FSC 4320
Body Style: PLAIN
2 manufacturer part numbers on file
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense

Identification

NSN: 4320-01-346-4170
NIIN: 013464170
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 8T5668
Manufacturer: Caterpillar Inc Div Caterpillar Defense

General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-346-4170, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4320-01-346-4170
Primary Part Number	8T5668
Item Name	Ring,wearing
FSC / FSG	4320 / 43 — Power and Hand Pumps
Manufacturer	Caterpillar Inc Div Caterpillar Defense
Status	ACTIVE
Body Style	PLAIN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
8T5668 PRIMARY	Caterpillar Inc Div Caterpillar Defense (USA)
8T-5668	Pon Equipment B.v. (NLD)

No interchangeability data on file.

Other items in FSC 4320 — Power and Hand Pumps

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4320-00-001-1633

4320-00-001-1633 · Item name not on file

4320-00-001-2628

RETAINER AND PIN

4320-00-001-2629

HOUSING AND PIN

4320-00-001-2630

PUMP,CENTRIFUGAL

4320-00-001-2631

4320-00-001-2631 · Item name not on file

4320-00-001-2632

4320-00-001-2632 · Item name not on file

4320-00-001-3377

4320-00-001-3377 · Item name not on file

4320-00-001-3384

4320-00-001-3384 · Item name not on file

Frequently Asked Questions

What is NSN 4320-01-346-4170?

NSN 4320-01-346-4170 is a Ring,wearing, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4320, Power and Hand Pumps. Status: active.

What part numbers are listed for NSN 4320-01-346-4170?

NSN 4320-01-346-4170 has 2 manufacturer part numbers on file: 8T5668 (Caterpillar Inc Div Caterpillar Defense), 8T-5668 (Pon Equipment B.v.).

What are the specifications of 8T5668?

Key specifications for 8T5668: Body Style: PLAIN; Special Features: SOLID RING. 1 specification is documented in the U.S. Government catalog.

Is NSN 4320-01-346-4170 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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